We have successfully launched private instances in our AWS environments. We would like to extend this to mobile testing. Any chance someone tried to setup WPT mobile agents using the AWS device farm service (https://aws.amazon.com/device-farm/)? Is that possible? If yes, any useful resource? If not possible, would you please list the technical reasons?

We are trying to achieve basically good location coverage and keep cost to the minimum when possible. But extended location coverage is more important.

I've been meaning to try it out but haven't had a chance. It should work but it requires the dedicated devices that give you adb access (and potentially access to the tethered host). Traffic-shaping might be the only tricky part depending on the device.